最近幾個月來一直有不同IP嘗試登入這帳號
剛剛進站時發現以下:
「[03/18/2016 09:26:40 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 09:26:41 Fri] 220.250.52.82
[03/18/2016 11:53:58 Fri] 220.250.52.82」
請問除了增加密碼困難度及不定期更換密碼外，使否還有其他方法？
（話說，用了十幾年的ID已經有深厚感情了啊）